BCP 196

RFC 7526

Deprecating the Anycast Prefix for 6to4 Relay Routers, May 2015

Canonical URL:
https://www.rfc-editor.org/rfc/rfc7526.txt
File formats:
Plain TextPDF
Status:
BEST CURRENT PRACTICE
Obsoletes:
RFC 3068, RFC 6732
Authors:
O. Troan
B. Carpenter, Ed.
Stream:
IETF
Source:
v6ops (ops)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC7526

Discuss this RFC: Send questions or comments to v6ops@ietf.org

Other actions: Find Errata (if any)  |  Submit Errata  |  Find IPR Disclosures from the IETF


Abstract

Experience with the 6to4 transition mechanism defined in RFC 3056 ("Connection of IPv6 Domains via IPv4 Clouds") has shown that the mechanism is unsuitable for widespread deployment and use in the Internet when used in its anycast mode. Therefore, this document requests that RFC 3068 ("An Anycast Prefix for 6to4 Relay Routers") and RFC 6732 ("6to4 Provider Managed Tunnels") be made obsolete and moved to Historic status. It recommends that future products should not support 6to4 anycast and that existing deployments should be reviewed. This complements the guidelines in RFC 6343.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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